THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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org.apache.wicket.markup.html.form.EnumChoiceRenderer#postprocess() is removed WICKET-5470
WICKET-5470 has shown that org.apache.wicket.markup.html.form.EnumChoiceRenderer#postprocess() is not really needed and the same can be achieved by overriding #getDisplayValue() method and doing the processing after calling super.getDisplayValue().
Additionally now the specialization specializations of EnumChoiceRenderer can provide completely custom implementation of #getDisplayValue().
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